From 9bcb8018cf7af1f00f35cad4b121897cac077269 Mon Sep 17 00:00:00 2001
From: Vladislav Zolotarov <vladz@broadcom.com>
Date: Sun, 9 Jan 2011 02:20:34 +0000
Subject: [PATCH] bnx2x: Fix the race on bp->stats_pending.
Fix the race on bp->stats_pending between the timer and a LINK_UP event
handler.
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/bnx2x/bnx2x_stats.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/bnx2x/bnx2x_stats.c b/drivers/net/bnx2x/bnx2x_stats.c
index 6e4d9b144cc4..bda60d590fa8 100644
--- a/drivers/net/bnx2x/bnx2x_stats.c
+++ b/drivers/net/bnx2x/bnx2x_stats.c
@@ -158,6 +158,11 @@ static void bnx2x_storm_stats_post(struct bnx2x *bp)
spin_lock_bh(&bp->stats_lock);
+ if (bp->stats_pending) {
+ spin_unlock_bh(&bp->stats_lock);
+ return;
+ }
+
ramrod_data.drv_counter = bp->stats_counter++;
ramrod_data.collect_port = bp->port.pmf ? 1 : 0;
for_each_eth_queue(bp, i)
--
2.20.1